• APS-C 369.0mm2
  • 14.8 megapixels
  • 28.00mm (35mm eq.)
  • 4/3 224.9mm2
  • 16.1 megapixels
  • ISO 200 - 25,600

Buy From

Differences

Sigma DP1 Merrill advantages over Panasonic GH4

  • Larger sensor
    APS-C vs 4/3
    More sensor area. Bigger is (generally) better.
  • Bigger pixels
    ~ 5.00 vs 3.75 microns
    Better low-light and dynamic range (all else equal)
  • Thinner
    63 mm vs 83 mm
    Thinner
  • Lighter weight
    391g vs 569g
    Lighter weight
  • Doesn't require an AA filter
    Yes vs No
    A unique sensor design provides sharp photos without moiré

Panasonic GH4 advantages over Sigma DP1 Merrill

  • Tilt-swivel screen
    Tilt-swivel vs none
    Tilt and swivel the screen for maximum shooting flexibility
  • Focus peaking
    Peaker vs Non-peaker
    Your camera will highlight what's in focus
  • Eye-level viewfinder
    Eye-level vs Rear display only
    You'll be able to frame photos even when the sun is out
  • Shoot 4K video
    4K (DCI) vs No
    Make sure you have a fast computer
  • Touchscreen
    Touch vs No touch
    Interact with your camera just like your smartphone
  • Fast startup
    ~0.80 vs 2.9 sec
    Faster startup lets you catch the moment
  • Built-in Wi-Fi
    Wi-Fi vs None
    Share your photos wirelessly
  • NFC
    Yes vs No
    Simplifies pairing your camera with supported phones
  • Longer stills battery life
    More info 530 vs 97 shots
    Capture more photos
  • Internal flash
    Internal flash vs None
    Useful in a pinch for fill flash
  • External Mic Jack
    Jack vs No jack
    Improved sound fidelity when shooting video
  • HDMI out
    HDMI out vs None
    Use HDMI output to monitor or review video
  • Shoots 24p video
    Yes vs No
    Gives your movies a big-screen feel
  • Shoots 1080p video
    Yes vs No
    You'll want this if you shoot video
  • Less shutter lag
    0.19 vs 0.49 sec
    Focus and take a photo quickly (wide angle)
  • Shoots 60p video
    Yes vs No
    A faster framerate can give you more editing options
  • Headphone jack
    Yes vs No
    Monitor audio recording while you shoot video
  • Longer exposure
    60 vs 30 sec
    Long exposures for night shots
  • Bulb shutter
    Bulb vs No bulb
    Hold the shutter open manually for long exposures
  • Faster JPEG shooting
    12.8 fps vs 3.8 fps
    Faster JPEG shooting (burst mode)
  • Bigger JPEG buffer
    Unlimited vs 7 shots
    Take more JPEG shots before waiting (burst mode)
  • Faster RAW shooting
    11.8 fps vs 3.8 fps
    Faster RAW shooting in burst mode
  • Bigger RAW buffer
    21 vs 7 shots
    Larger buffer for RAW shots (burst mode)
  • Slow-motion videos
    Yes vs No
    Shoot slow-motion videos
  • Faster shutter
    1/8000 vs 1/2000 sec
    Shoot wide open in bright light
  • Higher extended ISO
    25600 vs 6400 ISO
    Higher extended ISO can give more low-light flexibility

Similarities

Common Strengths

  • Rear display
    Both provide
    Review photos on the back of the camera
  • RAW file ability
    Both provide
    Gives you more flexibility to develop your photos later
  • Manual focus
    Both provide
    AF is for the weak. Real photographers focus manually.
  • Hot shoe
    Both provide
    Off-camera flashes open new possibilities

Common Weaknesses

  • In-Camera Image Stabilization
    Neither provide
    Reduces the effects of camera shake at slower shutter speeds
  • In-camera panoramas
    Neither provide
    Stitches multiple shots into a panoramic photo
  • Built-in Bluetooth
    Neither provide
    Always-on wireless connectivity
  • Built-in GPS
    Neither provide
    Geotag your photos
  • On-sensor phase detect
    Neither provide
    Usually improves live view and video AF performance
  • Top deck display
    Neither provide
    Check settings with a screen on top of the camera
  • Integrated ND filter
    Neither provide
    Shoot in daylight with a large aperture or slow shutter
  • Dual card slots
    Neither provide
    Gives you more storage flexibility

User reviews

Buy From

Review Excerpt

  • Exceptionally detailed and uniquely beautiful image quality at low ISOs; Fast, sharp 28mm-equivalent lens; Simple, straightforward controls match camera's simple, straightforward (street photography) goals.

  • Fixed-focal-length lens; Image quality deteriorates significantly at ISO 800 and above; Overall sluggish performer; Falls short when capturing JPEGs; Terrible VGA-only video quality; Very poor battery life; No built-in flash.

  • Excellent still image quality for its class; Fantastic, highly-detailed video quality; Superior video recording chops with 4K video (both Cinema 4K and Ultra HD); Responsive all-around performer with great AF performance and burst shooting; Rolling shutter is minimal with 60p and 30p video; Splash- and dust-proof magnesium alloy body; Built-in Wi-Fi with NFC.

  • High ISO performance not as good as some APS-C models (IQ drops quickly past ISO 3200); Overall still image quality not significantly better than the GH3; Sluggish buffer clearing with RAW files; Rolling shutter noticeable on 4K video; Not as compact as most mirrorless cameras.

The Competition

Compared to Leica X2

Sigma DP1 Merrill
Leica X2
  • $849
  • APS-C
  • Less expensive
  • More dots on screen
  • $1499
  • APS-C
  • More telephoto lens reach
  • Longer stills battery life
Panasonic GH4
Leica X2
  • $898
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $1499
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Panasonic GH3

Sigma DP1 Merrill
Panasonic GH3
  • $849
  • APS-C
  • Less expensive
  • Larger sensor
  • $798
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
Panasonic GH4
Panasonic GH3
  • $898
  • 4/3
  • Focus peaking
  • Shoot 4K video
  • $798
  • 4/3

Compared to Olympus E-M1

Sigma DP1 Merrill
Olympus E-M1
  • $849
  • APS-C
  • Less expensive
  • Larger sensor
  • $1099
  • 4/3
  • Focus peaking
  • Eye-level viewfinder
Panasonic GH4
Olympus E-M1
  • $898
  • 4/3
  • Tilt-swivel screen
  • Shoot 4K video
  • $1099
  • 4/3
  • In-Camera Image Stabilization
  • On-sensor phase detect

Compared to Leica X-E (Typ 102)

Sigma DP1 Merrill
Leica X-E (Typ 102)
  • $849
  • APS-C
  • Less expensive
  • More dots on screen
  • $1534
  • APS-C
  • More telephoto lens reach
  • Internal flash
Panasonic GH4
Leica X-E (Typ 102)
  • $898
  • 4/3
  • Focus peaking
  • Tilt-swivel screen
  • $1534
  • APS-C
  • Larger sensor
  • Bigger pixels

Compared to Fujifilm X70

Sigma DP1 Merrill
Fujifilm X70
  • $849
  • APS-C
  • $699
  • APS-C
  • Focus peaking
  • Touchscreen
Panasonic GH4
Fujifilm X70
  • $898
  • 4/3
  • Tilt-swivel screen
  • Eye-level viewfinder
  • $699
  • APS-C
  • Larger sensor
  • Bigger pixels
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